Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts.
2026/01/18 08:01:24 parsed 1 programs
Setting up swapspace version 1, size = 127995904 bytes
[ 59.383942][ T2866] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
2026/01/18 08:01:29 executed programs: 0
[ 66.160440][ T3744] loop3: detected capacity change from 0 to 4096
2026/01/18 08:01:50 executed programs: 3
[ 84.319247][ T4155] loop4: detected capacity change from 0 to 4096
2026/01/18 08:02:08 executed programs: 4
[ 102.518592][ T4568] loop5: detected capacity change from 0 to 4096
2026/01/18 08:02:29 executed programs: 5
[ 124.051316][ T4979] loop6: detected capacity change from 0 to 4096
2026/01/18 08:02:52 executed programs: 6
[ 146.869408][ T5392] loop7: detected capacity change from 0 to 4096
2026/01/18 08:03:19 executed programs: 7
[ 173.517837][ T5804] loop8: detected capacity change from 0 to 4096
2026/01/18 08:03:47 executed programs: 8
[ 201.336565][ T6216] loop9: detected capacity change from 0 to 4096
[ 216.866636][ T39] INFO: task syz.3.17:3745 blocked for more than 143 seconds.
[ 216.866642][ T39] Not tainted syzkaller #0
[ 216.866644][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 216.866646][ T39] task:syz.3.17 state:D stack:14488 pid:3745 tgid:3743 ppid:3337 task_flags:0x400040 flags:0x00080002
[ 216.866669][ T39] Call Trace:
[ 216.866671][ T39]
[ 216.866674][ T39] __schedule+0x64f/0x17c0
[ 216.866688][ T39] ? rcu_preempt_deferred_qs_irqrestore+0x267/0x370
[ 216.866694][ T39] ? do_raw_spin_unlock+0x59/0x110
[ 216.866698][ T39] ? _raw_spin_unlock_irqrestore+0x3f/0x70
[ 216.866704][ T39] ? __rt_mutex_slowlock_locked+0xb21/0xd20
[ 216.866709][ T39] rt_mutex_schedule+0x1c/0x70
[ 216.866715][ T39] __rt_mutex_slowlock_locked+0xbb2/0xd20
[ 216.866724][ T39] rt_mutex_slowlock+0x4a/0xc0
[ 216.866728][ T39] rwbase_write_lock+0x75/0x340
[ 216.866732][ T39] ntfs_fallocate+0xeb/0x610
[ 216.866740][ T39] vfs_fallocate+0x1b7/0x1e0
[ 216.866746][ T39] __x64_sys_fallocate+0x43/0x70
[ 216.866752][ T39] do_syscall_64+0x80/0x2c0
[ 216.866756][ T39] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 216.866760][ T39] RIP: 0033:0x7fdc2df3aef9
[ 216.866767][ T39] RSP: 002b:00007fdc2dd7e028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[ 216.866770][ T39] RAX: ffffffffffffffda RBX: 00007fdc2e1a6090 RCX: 00007fdc2df3aef9
[ 216.866772][ T39] RDX: 0000000000000923 RSI: 0000000000000000 RDI: 0000000000000005
[ 216.866774][ T39] RBP: 00007fdc2dfcfee0 R08: 0000000000000000 R09: 0000000000000000
[ 216.866776][ T39] R10: 0000000008000c66 R11: 0000000000000246 R12: 0000000000000000
[ 216.866777][ T39] R13: 00007fdc2e1a6128 R14: 00007fdc2e1a6090 R15: 00007fff0f5ea118
[ 216.866783][ T39]
[ 216.866795][ T39]
[ 216.866795][ T39] Showing all locks held in the system:
[ 216.866799][ T39] 1 lock held by khungtaskd/39:
[ 216.866801][ T39] #0: ffffffff839954b0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100
[ 216.866817][ T39] 3 locks held by kworker/u8:12/1458:
[ 216.866819][ T39] #0: ffff88810007c938 ((wq_completion)events_unbound){....}-{0:0}, at: process_scheduled_works+0x27e/0x5d0
[ 216.866827][ T39] #1: ffffc900041a7e48 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_scheduled_works+0x29e/0x5d0
[ 216.866834][ T39] #2: ffffffff838080a8 (tasklist_lock){....}-{2:2}, at: __do_wait+0x50/0x200
[ 216.866842][ T39] 3 locks held by kworker/u8:13/1696:
[ 216.866844][ T39] 2 locks held by getty/1903:
[ 216.866846][ T39] #0: ffff888145ae98a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40
[ 216.866854][ T39] #1: ffffc900001fb2e0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x1c9/0x710
[ 216.866861][ T39] 3 locks held by syz.3.17/3744:
[ 216.866862][ T39] 2 locks held by syz.3.17/3745:
[ 216.866864][ T39] #0: ffff888119cf6468 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x198/0x1e0
[ 216.866872][ T39] #1: ffff88810efc4bd8 (&sb->s_type->i_mutex_key#17){....}-{3:3}, at: ntfs_fallocate+0xeb/0x610
[ 216.866879][ T39] 3 locks held by syz.4.18/4155:
[ 216.866880][ T39] 2 locks held by syz.4.18/4157:
[ 216.866881][ T39] #0: ffff88810469f468 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x198/0x1e0
[ 216.866888][ T39] #1: ffff88810efc9950 (&sb->s_type->i_mutex_key#17){....}-{3:3}, at: ntfs_fallocate+0xeb/0x610
[ 216.866894][ T39] 3 locks held by syz.5.19/4568:
[ 216.866895][ T39] 2 locks held by syz.5.19/4569:
[ 216.866897][ T39] #0: ffff8881182b5468 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x198/0x1e0
[ 216.866903][ T39] #1: ffff88810ec803a8 (&sb->s_type->i_mutex_key#17){....}-{3:3}, at: ntfs_fallocate+0xeb/0x610
[ 216.866909][ T39] 3 locks held by syz.6.20/4979:
[ 216.866911][ T39] 2 locks held by syz.6.20/4981:
[ 216.866912][ T39] #0: ffff888104699468 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x198/0x1e0
[ 216.866919][ T39] #1: ffff88810efc6180 (&sb->s_type->i_mutex_key#17){....}-{3:3}, at: ntfs_fallocate+0xeb/0x610
[ 216.866926][ T39] 2 locks held by syz.7.21/5392:
[ 216.866927][ T39] 2 locks held by syz.7.21/5393:
[ 216.866929][ T39] #0: ffff8881180f7468 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x198/0x1e0
[ 216.866936][ T39] #1: ffff88810efd03a8 (&sb->s_type->i_mutex_key#17){....}-{3:3}, at: ntfs_fallocate+0xeb/0x610
[ 216.866942][ T39] 2 locks held by syz.8.22/5804:
[ 216.866944][ T39] 2 locks held by syz.8.22/5805:
[ 216.866945][ T39] #0: ffff8881127ff468 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x198/0x1e0
[ 216.866951][ T39] #1: ffff88810efd7728 (&sb->s_type->i_mutex_key#17){....}-{3:3}, at: ntfs_fallocate+0xeb/0x610
[ 216.866958][ T39] 2 locks held by syz.9.23/6216:
[ 216.866959][ T39] 2 locks held by syz.9.23/6217:
[ 216.866961][ T39] #0: ffff88811a9f4468 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x198/0x1e0
[ 216.866968][ T39] #1: ffff88810efcd310 (&sb->s_type->i_mutex_key#17){....}-{3:3}, at: ntfs_fallocate+0xeb/0x610
[ 216.866975][ T39] 6 locks held by modprobe/6234:
[ 216.866976][ T39]
[ 216.866977][ T39] =============================================
[ 216.866977][ T39]
[ 216.866982][ T39] NMI backtrace for cpu 0
[ 216.866991][ T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 216.866994][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 216.866996][ T39] Call Trace:
[ 216.866998][ T39]
[ 216.866999][ T39] dump_stack_lvl+0x52/0x80
[ 216.867005][ T39] nmi_cpu_backtrace+0xbb/0x110
[ 216.867010][ T39] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 216.867016][ T39] nmi_trigger_cpumask_backtrace+0x8e/0x140
[ 216.867021][ T39] sys_info+0x95/0xb0
[ 216.867025][ T39] watchdog+0x59a/0x5c0
[ 216.867030][ T39] ? watchdog+0xed/0x5c0
[ 216.867034][ T39] ? __pfx_watchdog+0x10/0x10
[ 216.867038][ T39] kthread+0x202/0x230
[ 216.867043][ T39] ? __pfx_kthread+0x10/0x10
[ 216.867048][ T39] ret_from_fork+0xe9/0x210
[ 216.867053][ T39] ? __pfx_kthread+0x10/0x10
[ 216.867057][ T39] ret_from_fork_asm+0x1a/0x30
[ 216.867065][ T39]
[ 216.867066][ T39] Sending NMI from CPU 0 to CPUs 1:
[ 216.867079][ C1] NMI backtrace for cpu 1
[ 216.867081][ C1] CPU: 1 UID: 0 PID: 1696 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 216.867084][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 216.867086][ C1] Workqueue: kvfree_rcu_reclaim kfree_rcu_work
[ 216.867091][ C1] RIP: 0010:debug_object_active_state+0x73/0x110
[ 216.867096][ C1] Code: 73 88 4d 01 ee 4c 89 f7 e8 da a3 06 01 4b 8b 8c ed 20 9a 73 88 31 d2 48 85 c9 74 13 4c 8b 69 18 4d 39 fd 74 1d ff c2 48 8b 09 <48> 85 c9 75 ed 3b 15 36 a3 1a 02 7e 06 89 15 2e a3 1a 02 4d 89 fd
[ 216.867098][ C1] RSP: 0018:ffffc900045f7d28 EFLAGS: 00000006
[ 216.867100][ C1] RAX: 0000000000000286 RBX: ffffffff82c13f88 RCX: ffff88810df2d230
[ 216.867102][ C1] RDX: 0000000000000009 RSI: ffffffff8367fb3f RDI: ffffffff887e6eb8
[ 216.867104][ C1] RBP: 0000000000000000 R08: 0000000000080000 R09: 0000000000000000
[ 216.867105][ C1] R10: 0000000000000000 R11: ffffffff814bc3f0 R12: 0000000000000001
[ 216.867107][ C1] R13: ffff88810473ca00 R14: ffffffff887e6eb8 R15: ffff88810473c200
[ 216.867109][ C1] FS: 0000000000000000(0000) GS:ffff8881b72f2000(0000) knlGS:0000000000000000
[ 216.867111][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 216.867112][ C1] CR2: 00007f439e2e4e9c CR3: 00000001180b0000 CR4: 00000000003506f0
[ 216.867118][ C1] Call Trace:
[ 216.867119][ C1]
[ 216.867121][ C1] kvfree_rcu_bulk+0x4b/0x1b0
[ 216.867126][ C1] kfree_rcu_work+0xed/0x160
[ 216.867130][ C1] ? process_scheduled_works+0x29e/0x5d0
[ 216.867133][ C1] process_scheduled_works+0x2e6/0x5d0
[ 216.867138][ C1] worker_thread+0x209/0x2f0
[ 216.867141][ C1] ? __pfx_worker_thread+0x10/0x10
[ 216.867145][ C1] kthread+0x202/0x230
[ 216.867149][ C1] ? __pfx_kthread+0x10/0x10
[ 216.867152][ C1] ret_from_fork+0xe9/0x210
[ 216.867156][ C1] ? __pfx_kthread+0x10/0x10
[ 216.867159][ C1] ret_from_fork_asm+0x1a/0x30
[ 216.867165][ C1]
[ 216.868078][ T39] Kernel panic - not syncing: hung_task: blocked tasks
[ 216.868481][ T39] Kernel Offset: disabled